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fix(tactic/ext): handle case where goal is solved early #1721

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merged 3 commits into from
Nov 21, 2019

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robertylewis
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import tactic.ext

@[ext] structure dumb (V : Type) := (val : V)

The generation of ext_iff failed because there were no goals left on this line.

TO CONTRIBUTORS:

Make sure you have:

  • reviewed and applied the coding style: coding, naming
  • reviewed and applied the documentation requirements
  • for tactics:
  • make sure definitions and lemmas are put in the right files
  • make sure definitions and lemmas are not redundant

If this PR is related to a discussion on Zulip, please include a link in the discussion.

For reviewers: code review check list

@cipher1024
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Can you add the example as a test please?

@cipher1024 cipher1024 added the ready-to-merge All that is left is for bors to build and merge this PR. (Remember you need to say `bors r+`.) label Nov 21, 2019
@mergify mergify bot merged commit 58fc830 into master Nov 21, 2019
@mergify mergify bot deleted the robertylewis-patch-1 branch November 21, 2019 19:23
anrddh pushed a commit to anrddh/mathlib that referenced this pull request May 15, 2020
…ommunity#1721)

* fix(tactic/ext): handle case where goal is solved early

* add test
anrddh pushed a commit to anrddh/mathlib that referenced this pull request May 16, 2020
…ommunity#1721)

* fix(tactic/ext): handle case where goal is solved early

* add test
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2 participants